A video recorder is disclosed for recording audio and video data of an event. The video recorder includes a processor communicating with memory. The memory stores audio and/or video data of an event. The video data includes a series of picture frames. A set of rules is also stored in the memory. The...http://www.google.com.tw/patents/US20050068429?utm_source=gb-gplus-share專利 US20050068429 - Video recorder
